Alright, let's work through 6495 times 1239 step by step
6495 × 1239 = 1239 × (6495)
+ 1239 × 5 giving us 6195
+ 1239 × 90 producing 111510
+ 1239 × 400 giving us 495600
+ 1239 × 6000 producing 7434000

= 8047305
